Bronze, steel and stainless steel safety relief valves for air, gas, steam, liquid and vacuum service that meet ASME Section VIII, ‘UV’; Section I, ‘V’, are National Board certified and PED certified for non-hazardous gas
Features
Heavy duty cast valve bodies.
Seats lapped to optical flatness.
Available with resilient soft seats for superior leak-free performance.
Standard SS spring for temperatures to 550°F (288°C). Optional alloy spring to 800°F (427°C).
Threaded cap standard (back pressure tight). Maximum back pressure 50 psig [3.4 barg].1
Hex on valve nozzle provides for easy installation.